Pre 2022 info on the weapons:
https://en.wikipedia.org/wiki/Status-6_Oceanic_Multipurpose_System The Poseidon torpedo, first presented 2015 and now already deployed.
https://en.wikipedia.org/wiki/RS-28_Sarmat
Presented 2018, first test flight 2022, now already deployed Sept this year.
https://en.wikipedia.org/wiki/RS-24_Yars
This has been in operational deployment since 2010. Periodic testing for maintenance does go on, but given 13 years, any failures would likely be some sort of human error. This is a standardized and operational MIRVed missile.
https://en.wikipedia.org/wiki/RSM-56_Bulava
Operational since 2018. Sublaunched.
This Sirena news source of this badly researched story is difficult to track down. Suspiciously so.
“Deployed” doesn’t mean working. Particularly with SATAN-2.